Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: ICS Detection Area Adjustment Incomplete (C1AF0)

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Intelligent Clearance Sonar System / ICS Detection Area Adjustment Incomplete (C1AF0)

DESCRIPTION

When ICS detection area adjustment is incomplete, the clearance warning ECU assembly stores DTC C1AF0.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AF0

ICS Detection Area Adjustment Incomplete

ICS detection area adjustment incomplete
  • Intelligent clearance sonar detection area adjustment
  • Clearance warning ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

    Click here

  • After replacing an ultrasonic sensor or the clearance warning ECU assembly, perform the necessary procedures (adjustment, calibration, initialization or registration).

    Click here

  • When continuing with the inspection, confirm that the necessary procedures (adjustment, calibration, initialization or registration) have been completed before proceeding.

PROCEDURE

1.

INTELLIGENT CLEARANCE SONAR SYSTEM REGISTRATION

(a) Perform intelligent clearance sonar system registration.

Click here

NEXT

2.

CHECK FOR DTC

(a) Using the Techstream, check for DTCs according to the prompts on the screen.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

(b) Clear the DTCs according to the screen on the Techstream.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs

(c) Recheck for DTCs.

Click here

Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes

HINT:

If DTC C1AF0 is still output after performing intelligent clearance sonar system registration 3 times, replace the clearance warning ECU assembly.

Result

Proceed to

DTC C1AF0 is output

A

DTC C1AF0 is not output

B
A

REPLACE CLEARANCE WARNING ECU ASSEMBLY

B

USE SIMULATION METHOD TO CHECK

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    DESCRIPTION When it is judged that the front sensors have not been initialized, the clearance warning ECU assembly stores DTC C1AF3. DTC No. Detection Item DTC Detection Condition Trouble Are ...

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